牛津译林版八年级英语上Unit3 grammar课件

8AUnit3AdayoutGrammarLilyMillieSandyLilyistallerthanMillie.SandyistallerthanLily.Sandyisthetallestofthethree.zxxkLookatthesegirls,whoisthetallest?AndyTomMaxWhoisthetallest?MaxisastallasTom.TomisastallasAndy.as……as和……一样1、Weuseas…astosaythatpeopleorthingsarethesameinthesameway.我们用as…as结构表示两个人或事物在某方面程度相同。MrWuisashappyasMr.Li.as+形容词原级+asTomjumpsashighasDaniel.as+副词原级+as()1.Ithinkswimmingisdancing.A.moreinterestingasB.sointerestingasC.asinterestingthanD.asinterestingas()2.Johnismuchshorterthanhissister,buthejumpsshedoes.A.asgoodasB.asbestasC.ashighasD.ashigheras3.Thishorseisas(strong)asthatone.4.Marywritesas(careful)asLucy.LilyMillieSandyLilyisnotastallasSandy.MillieisnotsotallasLily.Lookatthesegirls,whoisthetallest?notas…as=notso…as不如……2、Weusenotas…as/notso…astosaythatpeopleorthingsarenotthesameinsomeways.我们用notas…as或notso…as结构表示A在某方面不如B。MrWuisnotashappyasMr.Li.MrWu不如MrLi快乐。notas/so+形容词原级+asTomdoesnotjumpashighasDaniel.Tom不如Daniel跳得高。notas/so+副词原级+as()1.——Theclassroomiscleanitwasyesterday.——Sorry,Iforgottocleanit.A.as,asB.so,asC.notso,asD.more,than()2.Danielplayschess,ifnotbetterthan,David.A.aswellB.aswellasC.sowellD.sowellas地理不如历史难，但是和历史一样重要。GeographyisnotasdifficultasHistory,butitisasimportantasHistory.LilyMillieSandyLilyisnotastallasSandy.MillieisnotsotallasLily.notas…as=notso…as不如……比较级+than比……=LilyisshorterthanSandy.=SandyistallerthanLily.=LilyistallerthanMillie.=MillieisshorterthanLily.拓展1：同级比较/比较级的转换：e.g.1)I’mnotastallasheis.=I’mshorterthanheis.=HeistallerthanIam.2)NanjingisnotasbigasShanghai.=NanjingissmallerthanShanghai.=ShanghaiisbiggerthanNanjing.3)Skiingisn’tasinterestingasswimming.=Skiingislessinterestingthanswimming.=Swimmingismoreinterestingthanskiing.拓展2：多音节形容词的比较等级比较级:more+adj+than往上比less+adj+than往下比最高级:themost+adj往最上面比theleast+adj往最下面比e.g.EnglishismoreinterestingthanMaths.=MathsislessinterestingthanEnglish.=MathsisnotasinterestingasEnglish.()1.TomthinksFrenchisdifficultthanChinese.A.muchB.leastC.lessD.little()2.Theshopkeepershowedhermanybooksandshechoseexpensiveone.A.lessB.leastC.thelessD.theleast3.Singingisnotasinterestingasdancing.Dancingisthansinging.Singingisthandancing.zx、xk。拓展3：最高级/比较级/同级比较的相互转换：ShanghaiisthebiggestcityinChina.=ShanghaiisbiggerthananyothercityinChina.=ShanghaiisbiggerthantheothercitiesinChina.()BeijingisbiggerthaninJapananditisbiggerthaninChina.A.anycity,theothercityB.anyothercity,anycityC.anycity,anyothercityD.anyothercities,anyothercityDosomeexercisesinclass1.Jackisn’tasshortasMike.(同义句)Jackis_________________Mike.Mikeis__________________Mike.2.Ithinkskiingisdangerous.(否定句)I_____thinkskiing________dangerous.3.Ithinkdivingismoreexcitingthanswimming.(同义句)Ithinkswimmingis________________thandiving.4.Tomistheclevereststudentinhisclass.(同义句)Tomis_________than__________studentinhisclass.Tomis_________than_________studentsinhisclass.6.MybestfriendBettyisslim.Iamslimtoo.(合并）MybestfriendBettyis________________.shorterthanTallerthandon’tislessexcitingclevereranyothertheotherasslimasIamclevererReflexivepronouns（反身代词）Weusereflexivepronounswhenthesubjectandtheobjectarethesameperson.当主语和宾语是同一个人时，我们可以使用反身代词．1.DanieltaughthimselfhowtolearnEnglish.eg.2.Sheenjoysherself.反身代词反身代词构成用法练习构成情况人称第一人称第二人称第三人称单数复数myselfourselvesyourselfyourselvesthemselvesitselfhimselfherself构成用法练习构成情况1、反身代词单数词尾都有-self，复数词尾都有-selves。2、第一人称和第二人称反身代词都是由形容词性物主代词＋-self或-selves构成。第三人称都由人称代词宾格＋-self或-selves构成。3、每个反身代词都表示“××自己”，如myself我自己，themselves他们自己，等等。构成用法练习用法构成用法练习一、非强调用法这种用法通常表示反身代词与句中的主语是同一人,即动作的发出者和动作的承受者是同一人。它在句中作宾语，不能省略，否则该句是一个意义不完整的错句。(1)Janeistooyoungtolookafterherself.Jane太小了无法照顾自己。(2)IteachmyselfEnglish.我自学了英语。(3)Hefelloffthebikeandhurthimself.他摔下自行车伤到了自己。用法构成用法练习二、强调用法反身代词在强调用法中表示强调，即用来加强某个名词或者代词的语气，可译成“亲自”、“本人”或“这样事情本身”此时，它在句中作同位语。即使去掉，也不影响句子的完整性。例如：(1)Thestoryitselfisinterestingenough.这个故事本身就够有趣了。(2)Imyselfdidthehomeworklastnight.昨晚是我自己做了家庭作业。用法构成用法练习三、与by搭配当反身代词与by搭配时，意为：单独地，没有人帮助的。(1)Thelittleboydrewthepictureallbyhimself.这个男孩全靠自己画了这幅画。(2)Hecanswimallbyhimself.他能独自一个人游泳.练习1．Wecan'tonlythinkof_______（we），weshouldthinkofothers．2．Studentsshouldbestrictwith_______（they）．3．Didtheyenjoy_______（them）inthepartylastSunday？4．Help______（you）tosomevegetables，JimandJack．5．Theartist_______（he）willcometoourschoolnextweek．用所给代词的适当形式填空。ourselvesthemselvesthemselvesyourselveshimself构成用法练习练习6．Youcan'tleaveyourdaughterby_______（she）．7．Thecatinthemirroris_______（it）．8．Ibought_______（I）anewdictionarythedaybeforeyesterday．9．I_______（my）agreewithyou．10．Thelittleboyisonlyfour，hecouldwash_______（he）andgetdressed．herselfitselfmyselfmyselfhimself构成用法练习WhathappenedatSouthHill?1.Youcangoandenjoy_________now.2.Ohno!Simonistryingtopull______totherocks.4.Youareluckynottohurt________.5.Wereallyenjoyed_________.6.Theykeptthesecretto__________.yourselveshimselfyourselfourselvesthemselvesRememberthesephrases.1.helponeselfto请吃…2.enjoyoneself过得愉快3.teachoneself…=learn…byoneself自学…4.dosth.byoneself（alone/onone’sown）独自（亲手）做某事5.Saytooneself自言自语6.dressoneself/washoneself7.lookafteroneself8.thethingitself事情本身1.和……一样2.不如……3.过得愉快4.尽力做某事5.把某人拉上岩石